Perhaps you should try some spelling variations:
trung phuong » truong phuong, rung phuong, thuong phuong
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan trung » xuan trung, tran trung, quang trung
hien manh » hien hanh, hieu manh, hien nhanh
tien manh » tien anh, tien thanh, tieng anh
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien manh) OR (tien manh)) - thanh trung tuan trung phuong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (tien manh)) - thanh trung tuan trung phuong ((dan toan) OR (dan than)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien manh) OR (tien manh)) - thanh trung tuan trung phuong ((dan toan) or (dan than)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) OR (tien manh)) - thanh trung tuan trung phuong ((dan toan) or (dan than)) cau*.